Julia likes to pick up a small topic to do some research and practice her research muscle. Since she was amazed about USATP master professional Rick Macci's teaching video, and amazed how good the presentation is. A lot of technologies are applied on tennis coaching and tennis matches. For example, on the tennis court, on the grand slam matches, there are hundreds of camera on the court, hundreds of technologies on speed measuring, and all other things.
Here is the link:
https://www.youtube.com/watch?v=5MHugAF2DiQ
1. Lecture on Roger Federer's tennis forehand stroke, and show 3D technologies how to do analysis
2. Before vs After, two videos are comparing.
3. Statistics: How many views? over half a million views. -
4. Producer: USPTA
- how good USPTA can utilize the technologies and help the teaching.
Lecture notes:
Forehand - 7 steps: (P, J, E, T, F, FS, F)
Preparation
Joint angles
Elbow Extension
Tap the dog
The Flip
Forward Swing
The Finish
Goal: Racket Speed, keep the ball in the court
And teaching lectures she spent time to work on this weekend:
Algorithm: count inversion
extended merge sort:
Julia also likes the lecture content about count inversion - merge sort, the examples and discussions.
So, Julia likes to study those lecture notes, take time to enjoy reading.
1. http://www.cs.umd.edu/class/fall2009/cmsc451/lectures/Lec08-inversions.pdf
https://www.coursera.org/learn/algorithm-design-analysis/lecture/GFmmJ/o-n-log-n-algorithm-for-counting-inversions-i
https://www.coursera.org/learn/algorithm-design-analysis/lecture/IUiUk/o-n-log-n-algorithm-for-counting-inversions-ii
Julia learns tennis from over 20 top coaches in the world and also actively practice what she learns through lessons:
Here is one of them she learned from the coach -
https://www.youtube.com/watch?v=n7ApnK3BGcUJulia started to work on the double alley drill - learning is fun!
one more:
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